Wireless rear view camera - flashing screen after connecting the receiver

I want to connect the rear view camera to the monitor using a 2.4GHz wireless transmitter and receiver kit
Wireless set and display (photos taken from the forum and the web):


The problem occurs when the receiver is connected to the power supply and to the screen. The screen flashes all the time (it has two video outputs), when I connect to the yellow, which is the main one, it flashes faster, when I connect to the second, which is the white one, it flashes more slowly. When I turn on the camera with the transmitter (or throw in the back) the image appears on the display and everything works fine. After turning off the problem returns.
In the forum I read that the transmitter with the camera must be connected to a separate power supply or pod to make it through the relay but it does not help because even when the camera and the transmitter are disconnected at all the display flashes, it is enough that the receiver is plugged in chinch. I even checked that the display was connected to one battery, and the receiver to the other (transmitter and camera disconnected from everything) and the display still flashes. A possible workaround would be to connect the receiver to the reversing light, but the reversing light fuse is located under the hood and there would be a problem with bringing it to the cab, because it is very tight but it's not about circumventing the problem but solving it and I have no idea what can cause this situation. In various instructions on the network from such transmitters I read that the receiver must be permanently connected together with the display and turn on after ignition, and the reversing camera with the transmitter against the reversing light, and there was no way of flashing.

Has anyone had such a problem and managed to solve it or at least know what is causing it?

First make sure that your installation is controlled by plus or mass feeding and check if you have bought a reversing camera kit in the correct variant. Otherwise the power supply will be "impure".

I mean, it happens by connecting only the receiver and display regardless of whether the car is installed, separate batteries or even a laboratory power supply. In addition, I only have to connect with this set (receiver + display) black cable (-) and red (+) both on the receiver and the display. The manual also contains information about connecting black to (-), red to (+).

Description of the set:
Wireless Transmitter:
1) Cable Length: 1.5m
2) 2.4G wireless, Color video
3) Transmission Distance: 50m
4) Input: DC 12V
5) Operating Temperature: -10-60oC

Wireless Receiver:
1) Cable Length: 1.5m
2) 2.4G wireless, Color video
3) Input: DC 12V
4) Receiving Sensitivity:

I checked the second set from another manufacturer and it happens the same, without any changes, although I know that, for example, the display has a different driver. The receivers are rather the same, but as you can see it is not the fault of the given copy but "it is so" and the question is how to get rid of this effect without pulling the cable from the bonnet inside the car.

Hi
I have the same problem as you wrote. Today I connected the same set with a wireless module to my Ford Mondeo and the screen flashes in the same way in white after turning on the reverse you can see the view from the camera but when I turn off the screen, the screen flashes, you can't drive like this.
Did you find any solution to this problem? I also have a cable to run through the car, but that's not the point.
I had the same set connected a few years ago in another car and it was connected the same way and there was no such thing.

Maybe the display driver has changed all these years although I checked two sets and the displays had different PCBs and worked the same. Unfortunately, I have not approached this for the second time, but now the most reasonable solution will be to connect the display under voltage, which appears after throwing back.

Isn't it easier to throw out this senseless wireless system and connect the camera to the monitor with a cable? Why the hell do you need a 3m transmitter? After all, toto works on 2.4GHz, like bluetooth, WIFI or LTE, there will always be interference ...

thomsoon88 wrote:

Hi
I have the same problem as you wrote. Today I connected the same set with a wireless module to my Ford Mondeo and the screen flashes in the same way in white after turning on the reverse you can see the view from the camera but when I turn off the screen, the screen flashes, you can't drive like this.
Did you find any solution to this problem? I also have a cable to run through the car, but that's not the point.
I had the same set connected a few years ago in another car and it was connected the same way and there was no such thing.

You can take the + from the reverse sensor in the gearbox, the display and receiver will turn on when you turn on the reverse just like the camera and transmitter. Connecting in this way has no flashing effect.

But you still have to drag the cables to connect the camera's power supply to the monitor. Isn't it simpler to add shielded and throw out this wireless jammer?

Short section with technological holes. A bigger problem would be pulling 6 meters of cable from the rear camera placed outside into the car under the cockpit while hiding it along the entire length.
Of course, you can throw wireless transmission as well as connect and use it.

Earlier I had a problem with the camera flashing so I connected it via a cable which I dragged from the trunk to the monitor which I stuck to the front of the steering wheel on the left there is a little space. And now the question is how to connect the monitor power supply?
That it would not be turned on all the time because I hooked up to the cube of daytime running lights and there are red and black and a few more with other colors but I chose those. And it seems to me that there is tension all the time.

And what is all this for. A likely cause of the problem is interference from the CAN bus. The problem arises as a result of supplying the camera with a reversing light. If you have a cigarette lighter socket in the trunk then you take the power supply and put it on an additional relay. You connect the relay output to the rear view camera power supply. The relay coil should be connected to the ground on one side and to the reversing light on the other. In this way you power the camera bypassing the CAN bus. It does not matter whether you connect the camera with a Wi-Fi kit or connect with a cable throughout the car. You can buy a relay with a stand at any automotive store. It looks like this https://www.google.com/search?hl=en&tbm=isch&...%C5%BCnik+samochodowy&oq=przeka%C5%g.3_samoch 0.1905.7457..8122 0.0..0.110.2209.9j13 ... ...... 0 .... 1..gws-visa-img ..... 0..0i24.JhXiHAZbu2s # imgrc = gynVOEExzxvZOM :
When it comes to controlling the image display, in most cases it is enough that a video signal appears on the chinchini. It also happens that sometimes you need to introduce an additional plus cable to the radio depending on the radio. If you only have a monitor without a radio, then this camera power cord is also connected to the monitor power supply. Then when you turn on the reverse, the monitor turns on. I hope I cleared up the situation.

hotair wrote:

A likely cause of the problem is interference from the CAN bus. The problem arises as a result of supplying the camera with a reversing light

And what CAN you have in this bulb? Is it sometimes the case that interference is generated by the bulb efficiency control system?

This is the problem that the bulbs are controlled by an integrated circuit with efficiency control. CAN-BUS is not like polonaise or toddler.

I also have this flashing/blinking problem and I am not even using it in a vehicle...
I have a wireless camera that I custom built a birdhouse around so we can watch for any shenanigans in our neighborhood. However, I suspect that the receiver driver is the culprit. It cannot properly regulate voltage inputs causing the irritating flashing screen. Or its internal circuits are not sufficient for voltage calibration. Still equally maddening for every person this issue will affect. They ought to replace and/or refund all whom have to suffer this electronic debacle.